Indication of Hydration in Veins and Nodules of Knorr in Yellowknife Bay

At different locations on the surface of the same rock, scientists can use the Mast Camera Mastcam on NASA Mars rover Curiosity to measure the amount of reflected light at a series of different wavelengths.

At different locations on the surface of the same rock, scientists can use the Mast Camera Mastcam on NASA Mars rover Curiosity to measure the amount of reflected light at a series of different wavelengths.

MarsMars Science Laboratory MSL